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methods: {
  triggerSelect () {
   this.$refs.input.click()
  },
  selectedFile (e) {
   console.log(e.target.files[0])
   //根據(jù)項(xiàng)目需求做具體處理，比如說獲取文件名
  },
  async upload () {
   //如果不需要用到上傳后的返回值可以把 async...await 語法去掉
   let files = this.$refs.input.files;
   if(files.length > 0) {
    let form = new FormData();
    form.append('file', files[0])
    let data = await new Promise((resolve, reject) => {
      axios({
       url: '',
       method: 'post',
       data: form
      })
       .then(res => {
        resolve(res)
       })
       .catch(err => {
        reject(err)
       })
     })
   }
  }
}

 
 
 
 
 
  

    
name:
    
gender:male female
    
photo:
    

  
  

 
 

<?php
$name = isset($_POST['name'])? $_POST['name'] : '';
$gender = isset($_POST['gender'])? $_POST['gender'] : '';
$filename = time().substr($_FILES['photo']['name'], strrpos($_FILES['photo']['name'],'.'));
$response = array();
if(move_uploaded_file($_FILES['photo']['tmp_name'], $filename)){
  $response['isSuccess'] = true;
  $response['name'] = $name;
  $response['gender'] = $gender;
  $response['photo'] = $filename;
}else{
  $response['isSuccess'] = false;
}
echo json_encode($response);
?>

// -------- 將以base64的圖片url數(shù)據(jù)轉(zhuǎn)換為Blob --------
function convertBase64UrlToBlob(urlData, filetype){
    //去掉url的頭，并轉(zhuǎn)換為byte
    var bytes = window.atob(urlData.split(',')[1]);
    //處理異常,將ascii碼小于0的轉(zhuǎn)換為大于0
    var ab = new ArrayBuffer(bytes.length);
    var ia = new Uint8Array(ab);
    var i;
    for (i = 0; i < bytes.length; i++) {
      ia[i] = bytes.charCodeAt(i);
    }
    return new Blob([ab], {type : filetype});
}
$input.on('change', function (e) {
    var input = $input.get(0);
    var files = input.files || [];
    if (files.length === 0) {
      return;
    }
    console.log('選中 ' + files.length + ' 個(gè)文件');
    // 遍歷選中的文件，預(yù)覽、上傳
    $.each(files, function (key, file) {
      var filename = file.name || '';
      var fileType = file.type || '';
      var reader = new FileReader();
      // onload事件
      reader.onload = function (e) {
        var base64 = e.target.result || this.result;
        var formData = new FormData();
        formData.append("upload_file", convertBase64UrlToBlob(base64, fileType), filename);
        var xhr = new XMLHttpRequest();
        // 開始上傳
        xhr.open('POST', uploadImgUrl, true);
        // 發(fā)送數(shù)據(jù)
        xhr.send(formData);
      });
      reader.readAsDataURL(file);
    });
});

.box{
 background-image: url("data:image/jpg;base64,/9j/4QMZR...");
}